Abstract
Land function change can impact on decreasing green open space and land surface temperature (LST), which is one of the important parameters in environmental change. This study aims to identify vegetation density change and its impacts on land surface temperature in Kuta Utara Subdistrict, by comparing two vegetation indices to decide which vegetation index is more suitable if it is associated with LST. The Normalized Difference Vegetation Index (NDVI) and Enhanced Vegetation Index (EVI) were used to knowing vegetation density change. This study estimated the brightness temperature of the satellite to find out the land surface temperature. NDVI, EVI, and LST values were obtained through Landsat ETM+ and Landsat OLI in 2010, 2015, and 2020. The values are analyzed using the spatial-temporal analysis method to see the vegetation density change and LST. The results of NDVI and EVI analysis showed that there are changes in vegetation density for each year, especially in the east and west Kuta Utara Subdistrict. The decreased in vegetation density causing an increase in LST from 2010, 2015, and 2020. Based on the analysis results, vegetation density changes based on NDVI and EVI did not have a significant impact on LST in Kuta Utara Subdistrict.
Published Version
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